I need the answer ASAP

In two or more complete sentences, formulate how to use technology to calculate the appropriate regression model for the given data. you are not required to find the model, just choose the appropriate regression and explain how to use the technology. (-5,,2.,0.8), (0,-0.5), (2,-1.3), (3,-0.8), (5,2)

According to the general equation for conditional probability if p(anb)=3/7 and p(b)=7/8 what is p(a i b)

3.4a=57.8 what is the the value of a